Badly managed solid waste sites have contaminated groundwater and spread air pollution, and illegal logging has caused widespread loss of forest cover.

固体垃圾处理不当，严重地污染了地下水，并使得空气污染四处扩散。非法砍伐造成了森林覆盖率的急剧下降。

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Prior to WW1, most fuel ethanol came from wood logging and milling waste using the Scholler process.

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Bush, the presumed Republican nominee for the president, would weaken toxic waste cleanup standards and increase logging in national forests, Cox said.

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